Producers Head to Court to Battle J.P. Morgan Copper ETF

Two big copper consumers in the U.S. launched a legal challenge to the creation of an exchange-traded fund that would hold the physical metal on behalf of for investors.

Southwire Co. and Encore Wire Corp. filed a petition asking for a review of the Securities and Exchange Commission's Dec. 14 decision paving the way for approval of the copper ETF, which is being planned by J.P. Morgan Chase & Co.